Home / 31,966.61-47,948.18-9,779.98

Finding the Fourth Proportional to 31,966.61, 47,948.18 and 9,779.98

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Solution

The fourth proportional to 31,966.61, 47,948.18 and 9,779.98 is: 14,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.61 : 47,948.18 = 9,779.98 : x
  2. Step 2: Convert to fraction form
    31,966.61/47,948.18 = 9,779.98/x
  3. Step 3: Cross multiply
    31,966.61x = 47,948.18 × 9,779.98
  4. Step 4: Simplify right side
    31,966.61x = 468,932,072.67
  5. Step 5: Solve for x
    x = 468,932,072.67/31,966.61
  6. Step 6: Final answer
    x = 14,669.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.